Home / 1,012,090.97-1,517,386.49-612,637.24

Finding the Fourth Proportional to 1,012,090.97, 1,517,386.49 and 612,637.24

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Solution

The fourth proportional to 1,012,090.97, 1,517,386.49 and 612,637.24 is: 918,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,090.97 : 1,517,386.49 = 612,637.24 : x
  2. Step 2: Convert to fraction form
    1,012,090.97/1,517,386.49 = 612,637.24/x
  3. Step 3: Cross multiply
    1,012,090.97x = 1,517,386.49 × 612,637.24
  4. Step 4: Simplify right side
    1,012,090.97x = 929,607,471,255.77
  5. Step 5: Solve for x
    x = 929,607,471,255.77/1,012,090.97
  6. Step 6: Final answer
    x = 918,501.90

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.